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Analysis of glass fabric impregnation using a resin drop method

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Abstract

Wettability of a glass fabric was studied by use of a resin drop method. The mixing ratios of epoxy resin and anhydride hardener were adopted as 1:0.5, 1:1 and 1:1.2. A catalyst of 2-ethyl-4-methylimidazole added as much as 0.1wt% of the mixed resin. A curing analysis by differential scanning calorimeter (DSC) showed that the mixed resin could be infiltrative at room temperature. An effective contact angle and the height of the resin drop onto the glass fabric preset on a flat glass plate were measured as a function of time. The wet area of the resin drop was also measured. Behaviors of the contact angle, the drop height, the net wet area and the coefficient of wettability were analyzed in the glass fabric impregnation. The resin drop method was shown to be quite effective in evaluating the capillary-mode resin penetration into the fabric.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Graduate School, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 133-791, Korea

    Seung-Wook Han

  2. Department of Mechanical Engineering, Hanyang University, 55 Hanyangdaehak-ro, Sangnok-gu, Ansan, 426-791, Korea

    Nak-Sam Choi

  3. Doosan Technical Center, 39-3 Sungbok-Dong, Yongin, 449-795, Korea

    Min-Soo Lee

Authors
  1. Seung-Wook Han
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  2. Nak-Sam Choi
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  3. Min-Soo Lee
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Corresponding author

Correspondence to Nak-Sam Choi.

Additional information

Recommended by Editor Jai Hak Park.

Seung-Wook Han received his Master’s degree from the Department of Mechanical Engineering, Hanyang University, Korea, 2011. His research interests are composites manufacturing and structural analysis.

Nak-Sam Choi received his Ph.D. degree from Kyushu University, Japan, 1990. He is currently a full-professor in the Department of Mechanical Engineering, Hanyang University, Korea. His research interests include the fatigue behavior of materials and composites, AE (acoustic emission) analysis, experimental methods for composites manufacture and reliability analysis.

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Han, SW., Choi, NS. & Lee, MS. Analysis of glass fabric impregnation using a resin drop method. J Mech Sci Technol 26, 1477–1482 (2012). https://doi.org/10.1007/s12206-012-0341-7

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  • DOI: https://doi.org/10.1007/s12206-012-0341-7

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